Finding the Third Proportional to 21,969 and 48,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,969 : 48,172.50 = 48,172.50 : x
2. Step 2: Convert to fraction form
   21,969/48,172.50 = 48,172.50/x
3. Step 3: Cross multiply
   21,969x = 48,172.50 × 48,172.50
4. Step 4: Simplify right side
   21,969x = 2,320,589,756.25
5. Step 5: Solve for x
   x = 2,320,589,756.25/21,969
6. Step 6: Final answer
   x = 105,630.20